TM 5-3805-290-23-1
TROUBLESHOOTING WITHOUT A DIAGNOSTIC CODE - CONTINUED
0008 00
Table 1. Engine Troubleshooting - Continued.
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
1. If red power indicator lamp remains
25. MSD Will Not
OFF, go to Test 2.
Communicate with Engine
2. If communication adapter for MSD
ECM.
activates and red power indicator lamp
is ON, go to Test 4.
2. Check battery voltage to data link
If problem still exists, go to Test 3.
connector. Refer to CAT Data Link
3. Change MSD connection components. If problem still exists, go to Test 4.
Refer to CAT Data Link Circuit Test,
4. Start ET.
1. If ET reports "Connected and 1 (or
more) module detected," STOP.
2. If ET reports "Interface hardware is not
connected," go to Test 5.
3. If ET cannot connect to engine ECM,
go to Test 6.
5. Inspect cable from MSD to
Change MSD components. Refer to CAT
communication adapter. Verify correct Data Link Circuit Test, Test 6 (WP 0006
MSD port has been used. Inspect cable 00).
from MSD to diagnostic connector.
6. Check battery voltage at engine ECM
If problem still exists, go to Test 7.
if MSD cannot connect engine ECM.
Refer to CAT Data Link Circuit Test,
7. Connect MSD directly to engine ECM
If problem still exists, connect MSD and
and follow test procedures for CAT
engine ECM to another battery. Refer to
Data Link Circuit Test, Test 5 (WP
CAT Data Link Circuit Test, Test 7 (WP